1. Five-character metrical poem: each sentence is five words, usually four or eight sentences. This is the most common metrical poem form, such as Du Fu's "Climbing the Mountain": "The sky is high and the wind is urgent, the apes crow and the birds crow, and the blue lake and the white sand return. Leaves fall like the spray of a waterfall, and I watch the long river always roll forward. "
2. Seven-character verse: seven words per sentence, generally eight or fourteen sentences per poem, such as Bai Juyi's Farewell to Ancient Grass: "The vast grass crosses the plain and comes and goes with the four seasons. Wildfire never completely devoured them, and they grew taller again in the spring breeze. "
3. Eight-part essay: It is a form of prose poetry in the Tang Dynasty, which is divided into four parts: the opening pair, the connecting link between the preceding and the following, the middle eight sentences and the ending antithesis, each sentence has five or seven words. This form of metrical poetry pays attention to structure and meter, and its content is usually to praise the monarch and merit, so it is criticized as a literary form of rigid dogma.
Other forms of metrical poems: there are six-character metrical poems, nine-character metrical poems, eleven-character metrical poems and other forms, but they are rarely used.